[gnome-system-monitor] Fix the look of end-process button and menu button

[Robert Roth <robertroth src gnome org>]

commit 5405be1a5ade3daae6cda166bcc0f6340ab994de
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Sun Jul 28 14:23:53 2013 +0300

    Fix the look of end-process button and menu button
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705019

 data/interface.ui |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/data/interface.ui b/data/interface.ui
index 1dc43a0..5bcb19d 100644
--- a/data/interface.ui
+++ b/data/interface.ui
@@ -31,6 +31,9 @@
                 <property name="use_underline">True</property>
                 <property name="action_name">win.send-signal-end</property>
                 <property name="action_target">@i 15</property>
+                <style>
+                    <class name="text-button"/>
+                </style>
               </object>
               <packing>
                 <property name="pack_type">start</property>
@@ -61,6 +64,9 @@
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="halign">end</property>
+                <style>
+                    <class name="text-button"/>
+                </style>
                 <child>
                   <object class="GtkBox" id="box1">
                     <property name="visible">True</property>